.seat-box {
  color: #333;
  .channels {
    height: 0;
    overflow: hidden;
    transition: 0.5s;
  }
  .bar {
    line-height: 42px;
    padding: 0 15px;
    overflow: hidden;
    border-bottom: 1px solid #eaeaea;
  }

  .seat {
    float: left;
    font-size: 17px;
    padding-right: 15px;
    width: 70px;
  }

  .price {
    float: left;
    font-size: 18px;
    color: #f90;
  }

  .price i {
    font-style: normal;
    font-size: 12px;
    padding: 0 1px;
  }

  .btn {
    float: right;
    width: 50px;
    height: 25px;
    line-height: 25px;
    border: 1px solid #f90;
    color: #f90;
    border-radius: 3px;
    text-align: center;
    position: relative;
    top: 7px;
    font-size: 14px;
  }

  .num {
    float: right;
    padding-right: 15px;
    font-size: 12px;
  }
}
